Day 263…Back Yard

Welcome to day 263 of  365 photos…the back yard is where I spent the biggest part of the day today. Mr. B and a friend were working on the new pergola and I was hanging around to help them when they needed it. Guess you know where I took today’s photos. In the last few […]

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Checked Your Boat Zincs Lately? By Mike Dickens

For the first time, we present a guest blogger here at Trawler Beach House. Mike and Mary Dickens are our guest bloggers for today’s post. Mike and Mary are the owners of Paradise Yachts in Florida where they assist boaters in selling and buying of luxury trawlers, motor yachts and sailboats. They are also trawler owners and full-time liveaboards. You can visit their website at http://www.paradiseyachtsales.net

We all hear talk about the docks regarding boat zincs at haul out, but what do they really do?

Any time you have two different metals that are physically or electrically connected and immersed in seawater, they produce electrical current. Some current flows between the two metals and it can dissolve metals such as props, shafts, thru hulls and sea strainers in the engine room. The way we stop galvanic corrosion is to add a piece of metal called a sacrificial anode, and most often it is zinc. In fact, most of us refer to sacrificial anodes simply as boat zincs. On the Galvanic Scale, Zinc is number 4, 1 being the most sacrificial to seawater, Aluminum is 12, Steel is 30, Brass is 51, 316 Stainless is 76 and pure Gold is 91. This is why zinc is used, we want it to erode away and protect the other metal down there. Using zinc anodes on your boat is very important. When a zinc is gone, the metal component it was installed to protect begins to dissolve. Boat Zincs should be replaced when about half of the anode has been lost to corrosion. Ideally we want that to occur not more frequently than annually. I check these routinely and replace zincs that need it. At haul out, a full set is always installed. All zincs are not made the same. Insist on MIL spec zincs. Here is a supplier that I get mine from, BoatZincs.com. Good zincs, good price.

Boat Zincs – Props and Rudders


Propellers are normally protected by a zinc collar bolted together around the shaft. It is necessary to make sure the shaft is clean and polished before clamping the collar to it. Metal rudders and struts are protected with zinc disks bolted directly to the metal. Be sure bottom paint does not cover them. To provide good contact, the zinc should be tapped with a hammer all around and tightened several times during installation.

Boat Zincs – Hull Plates

Bonding is the connecting together of zinc plates bolted to the hull to other metals. All the underwater gear and the metal inside the engine room is connected to these plates. Be sure you check the bonding between thru-hulls and other metal gear by the use of a multi-meter set on the ohm settings.

Tip: If you spot “green” bronze fittings, the bonding has failed and corrosion is in progress. Check and restore the bonding.

Boat Zincs -Cooling Water

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Heat exchangers and engine raw water systems are also at risk. Most heat exchangers are fitted with a zinc “pencil”. You will find it under a brass plug. The pencil is unscrewed from the plug for replacement. In addition, oil and transmission coolers will have zincs too. Check your manual for locations. Be aware that pieces of pencil zincs can clog coolant systems if not maintained.

Mike Dickens
Paradise Yachts
Broker of Record
1417 Sadler Road
Box 183
Fernandina Beach, FL 32034
904/556-9431

Fax: 866/846-2389

9/23 – 30/2014 – New Orleans – Waiting for Weather Window

The weather was not cooperating with us to do the Mississippi Sound to Biloxi so we had to sit and wait!  If the forecast for the MS Sound is calling for 3 to 5 foot seas and 15 to 20 knots of wind, we stay put!!!!! Ponchartrain Landing is pr…

How much effort is involved

I often get asked how much effort is involved in building your own boat. My usual answer is ‘twice as much as you think’. In reality it’s likely even more. Doing it on your own requires a lot more pre-planning and I don’t find myself doing a lot of tha…

Sept. 29 – New Smyrna Beach, FL

New Smyrna Beach City Marina

“Life isn’t about waiting for the storm to pass, it’s about learning to dance in the rain.”―Vivian Greene

CONTINUE READING HERE…»

Hello from Roanoke, VA USA

Roanoke, VA  USA
Hi y’all,
     I was feeling rather bad that I’d not written for ages when my sister forwarded me an email from friends asking if I’d stopped writing or had their address been lost or what. It has been a while since my last email.  Writer’s block isn’t the reason or disastrous happenings either [...]

Day 262…National Coffee Day

Welcome to day 262 of  365 photos…National Coffee Day  – now there is a holiday to celebrate!Camera: Nikon D7100 – Lens: Nikon 18-300mm Focal Length: 44mm – Aperture: f/5.0 – Shutter Speed: 1/60  second – ISO: 900 From Wikipedia: “International Coffee Day (also known as Coffee Day or National Coffee Day) is an annual event […]

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Sept. 28 – St. Augustine, FL

Marineland Marina
“There is nothing more enticing, disenchanting, and enslaving than the life at sea.” – Joseph Conrad


We had a beautiful uneventful day on the water with relatively little boat traffic for a Sunday. The highlight of our day was spotting three bald eagles during our first hour on the water. 

CONTINUE READING HERE…»

Crossing Our Wake

One question that is frequently asked when you are undertaking the US Great Circle Loop is, “Where do you cross your wake?” For us it wasn’t a simple answer. We have been traveling the US east coast and the Bahamas for over 10 years, so technically, wh…

Day 261…Here birds…

Welcome to day 261 of  365 photos…Here birds, there birds, everywhere birds! Shore birds, that is. Today I went on a NC Coastal Federation birding cruise on the White Oak River. It was a spectacular day – not too warm – not too cold – just right! The only slight problem was that we had […]

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